Instance MethodFoundationEssentials
index(beforeUnicodeScalar:)
iOS 15.0+
iPadOS 15.0+
Mac Catalyst 15.0+
macOS 12.0+
tvOS 15.0+
watchOS 8.0+
Returns the position of the Unicode scalar immediately before a Unicode scalar indicated by an index.
func index(beforeUnicodeScalar i: AttributedString.Index) -> AttributedString.IndexParameters
iThe index of a Unicode scalar in the attributed string.
Return Value
The position of the Unicode scalar immediately before the Unicode scalar at index i.